Summary statistics for d_4_hos_c6_53 variable in hosp_rollup2552_96_2006 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_53 | 97 1.08e+08 1.49e+08 5400 8.30e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018